Home / 16,939.64-25,411.82-7,076.68

Finding the Fourth Proportional to 16,939.64, 25,411.82 and 7,076.68

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Solution

The fourth proportional to 16,939.64, 25,411.82 and 7,076.68 is: 10,616.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,939.64 : 25,411.82 = 7,076.68 : x
  2. Step 2: Convert to fraction form
    16,939.64/25,411.82 = 7,076.68/x
  3. Step 3: Cross multiply
    16,939.64x = 25,411.82 × 7,076.68
  4. Step 4: Simplify right side
    16,939.64x = 179,831,318.36
  5. Step 5: Solve for x
    x = 179,831,318.36/16,939.64
  6. Step 6: Final answer
    x = 10,616.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.